Weather in Interior, SD
Updated 2026-09-26 07:45 local time · ZIP codes 57750

Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
68°11% rain
62°5% rain
66°3% rain
70°2% rain
72°1% rain
74°1% rain
75°1% rain
76°1% rain
76°1% rain
75°1% rain
77°1% rain
81°1% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 8%).
It feels like 70°F with winds near 5 mph.
70°F, 2% rain chance and 10 mph wind.
Visibility is around 6 mi; gusts may reach 13 mph.
Current temperature is 68°F, wind 5 mph, rain chance up to 8%.
UV index is 0.
Local weather characteristics in Interior
South Dakota has a continental climate with hot summers, cold winters, frequent wind and strong differences between the Black Hills and the open plains.
Interior is part of the Midwest weather region. The forecast point is near 43.73°N latitude and 101.98°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Interior weather today
Sunny and 68°F in Interior, SD. Today's high is 81°F with a 5% rain chance. Winds are around 5 mph with gusts near 5 mph. Relative humidity is 84%, pressure is 29.73 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Interior
Sunrise is at 06:39 AM and sunset is at 06:38 PM. Tomorrow's forecast calls for Overcast with a high near 91°F and a low near 58°F. The maximum rain chance is 36%.